US20210016489A1 - Replica film of real material, method for producing same, and automotive part comprising same - Google Patents
Replica film of real material, method for producing same, and automotive part comprising same Download PDFInfo
- Publication number
- US20210016489A1 US20210016489A1 US16/677,297 US201916677297A US2021016489A1 US 20210016489 A1 US20210016489 A1 US 20210016489A1 US 201916677297 A US201916677297 A US 201916677297A US 2021016489 A1 US2021016489 A1 US 2021016489A1
- Authority
- US
- United States
- Prior art keywords
- layer
- real
- replica film
- surface pattern
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000000463 material Substances 0.000 title claims abstract description 100
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 57
- 229920005989 resin Polymers 0.000 claims abstract description 57
- 238000000151 deposition Methods 0.000 claims description 39
- 230000008021 deposition Effects 0.000 claims description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 229910052799 carbon Inorganic materials 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 10
- 239000011651 chromium Substances 0.000 claims description 10
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 8
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 8
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 8
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 8
- 238000002834 transmittance Methods 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims description 5
- 229920000515 polycarbonate Polymers 0.000 claims description 5
- 239000004417 polycarbonate Substances 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- -1 Polyethylene terephthalate Polymers 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
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- 229920000728 polyester Polymers 0.000 claims description 4
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- 239000010410 layer Substances 0.000 description 116
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001723 curing Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000002932 luster Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 235000021189 garnishes Nutrition 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
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- 239000013538 functional additive Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
Images
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/28—Multiple coating on one surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/4023—Coloured on the layer surface, e.g. ink
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/08—Cars
Definitions
- the present disclosure relates to a replica film of a real material, a method for producing the same, and an automotive part comprising the same.
- the present disclosure provides a replica film displaying the particular characteristics of a real material by precisely copying the real material, and a method of producing the replica film.
- the present disclosure also provides a replica film that can even be applied to automotive parts having complicated, non-flat shapes, and a method of producing the replica film.
- the present disclosure improves the commercial value of a replica film by applying a color different from the color of a real material.
- a replica film of a real material includes a base material layer and a resin layer disposed on the base material layer.
- the resin layer has a first surface facing the base material layer and a second surface, opposite the first surface, having a same surface pattern as a surface pattern of the real material.
- the base material layer may include at least one selected from the group of Polycarbonate (PC), Polymethylmethacrylate (PMMA), Polyethylene terephthalate (PET), and combinations thereof.
- PC Polycarbonate
- PMMA Polymethylmethacrylate
- PET Polyethylene terephthalate
- the thickness of the base material layer may be 0.125 mm to 0.5 mm.
- the real material may include at least one selected from the group of real carbon, real wood, natural cork, real stone, thin metal, Hanji, and combinations thereof.
- the surface pattern of the second surface may have grooves and ridges, in which the grooves may be formed 100 ⁇ m to 250 ⁇ m deep from the second surface.
- the resin layer may include at least one selected from the group of urethane acrylate, acrylic acrylate, polyester acrylate, and combinations thereof.
- the replica film may further include a deposition layer disposed on the resin layer and including at least any one of metal selected from the group of aluminum (Al), chromium (Cr), nickel-chromium (Ni—Cr), tin (Sn), and combinations thereof; and at least one ceramic selected from the group of titanium dioxide (TiO 2 ), silicon dioxide (SiO 2 ), and a combination thereof.
- a deposition layer disposed on the resin layer and including at least any one of metal selected from the group of aluminum (Al), chromium (Cr), nickel-chromium (Ni—Cr), tin (Sn), and combinations thereof; and at least one ceramic selected from the group of titanium dioxide (TiO 2 ), silicon dioxide (SiO 2 ), and a combination thereof.
- the deposition layer may be formed along the surface pattern of the second layer of the resin layer.
- the transmittance of the base material layer may be 20% to 80%.
- the replica film may further include a print layer disposed on the deposition layer and including at least one selected from the group of urethane-based ink, polyvinyl chloride-based ink, and a combination thereof.
- a method of producing a replica film of a real material includes: manufacturing a stamper including a surface pattern having a shape corresponding to a surface pattern of the real material; forming a resin layer having a first surface facing the base material layer and a second surface opposite the first surface on the base material layer; and forming a surface pattern, that is the same as the surface pattern of the real material, on the second surface using the stamper.
- a stamper having a surface pattern with a shape corresponding to the surface pattern of the real material may be formed by plating metal on a surface of the real material and then removing the real material.
- a surface pattern that is the same as the surface pattern of the real material may be formed on the second surface of the resin layer by winding the stamper around a roller and supplying the resin layer to the roller.
- the method may further include forming a deposition layer disposed on the resin layer by depositing at least any one of metal selected from the group of aluminum (Al), chromium (Cr), nickel-chromium (Ni—Cr), tin (Sn), and combinations thereof; and at least one ceramic selected from the group of titanium dioxide (TiO 2 ), silicon dioxide (SiO 2 ), and a combination thereof along the surface pattern of the second surface of the resin layer.
- the replica film may further include forming a print layer by printing at least one selected from the group of urethane-based ink, polyvinyl chloride-based ink, and a combination thereof on the deposition layer.
- An automotive part according to one form of the present disclosure may include a base layer and the replica film disposed on the base layer.
- a curvature of at least a portion of the base layer may be 0.5 or more.
- FIG. 1A is a cross-sectional view schematically showing the structure of real carbon film
- FIG. 1B is a view showing a result of observing the surface pattern of the real carbon film of FIG. 1A using an optical microscope;
- FIG. 2A is a cross-sectional view schematically showing a replica film of real carbon of the related art
- FIG. 2B is a view showing a result of observing the surface pattern of the real carbon film of FIG. 2A using an optical microscope;
- FIG. 3 is a cross-sectional view schematically showing a replica film of one form of a real material according to the present disclosure
- FIG. 4 is a flowchart showing one form of a method of producing a replica film of a real material according to the present disclosure
- FIGS. 5A to 5C are reference views illustrating a step of manufacturing a stamp used in one form of a method of producing a replica film of a real material according to the present disclosure, in which FIG. 5A is a cross-sectional view showing a real material, FIG. 5B is a reference view showing a method of manufacturing a stamper using the real material, and FIG. 5C is a reference view showing a state when the real material and the stamper are separated;
- FIG. 6 is a reference view illustrating a step in which a surface pattern, which is the same as the surface pattern of a real material, is applied on the surface of the resin layer using a stamper used to produce a replica film of one form of a real material according to the present disclosure;
- FIG. 7 is a view showing a result of observing, using an optical microscope, the surface pattern of a replica film of a real material according to the present disclosure.
- FIGS. 8A to 8C are reference views schematically showing a method of manufacturing an automotive part according to the present disclosure in which FIG. 8A shows a step of putting a replica film into a mold, FIG. 8B shows a step of injecting a base resin to the rear surface of the replica film, and FIG. 8C shows a step of taking the automotive part out of the mold.
- FIG. 9 is a view showing a replica film of a real material according to the present disclosure applied to an automotive part.
- FIG. 1A is a cross-sectional view schematically showing the structure of real carbon film.
- the real carbon film includes a kind of support layer 50 , a woven carbon fabric 60 disposed on the support layer 50 , and a coating layer 70 disposed on the carbon fabric 60 . Accordingly, the particular pattern of the carbon fabric 60 is exposed to the outside, as shown in FIG. 1 b, thereby creating a certain aesthetic look.
- FIG. 2A is a cross-sectional view schematically showing a replica film of real carbon of the related art.
- the replica film of the related art includes a kind of support layer 50 ′, a black print layer 80 printed on the support layer, and a film layer 90 having a predetermined shape of surface pattern on the print layer.
- the color of the print layer 80 is exposed to the outside, depending on the surface pattern of the film layer 90 .
- a pattern similar to the real carbon is exposed to the outside.
- the line width of the pattern of the real carbon film is about 5 ⁇ m, whereas the line width of the replica film of the related art is about 50 ⁇ m.
- the line width of the replica film of the related art is too large thereby drastically deteriorating the quality of the external appearance compared to the real carbon film.
- the pattern is implemented through the film layer 90 in the replica film in which the film layer 90 is manufactured through a mold, which creates physical limitation in reducing the embossed gaps.
- FIG. 3 is a cross-sectional view schematically showing a replica film 1 of a real material according to the present disclosure.
- the replica film 1 may include: a base material layer 10 ; a resin layer 20 , disposed on the base material layer 10 and having a first surface 21 facing the base material layer 10 and a second surface 22 opposite the first surface 21 ; a deposition layer 30 on the resin layer; and a print layer 40 disposed on the deposition layer.
- the real material can be used without specific limitation as long as it has a particular surface texture.
- the real material may be selected from the group of real carbon, real wood, natural cork, real stone, thin metal, Hanji, and combinations thereof.
- the real material may be real carbon. According to the present disclosure, it is possible to achieve a replica film having a surface pattern that is the same as the surface pattern of the real material and is exposed to the outside.
- the base material layer 10 may include a transparent material, including but not limited to at least one material selected from the group of Polycarbonate (PC), Polymethylmethacrylate (PMMA), Polyethylene terephthalate (PET), and combinations thereof.
- PC Polycarbonate
- PMMA Polymethylmethacrylate
- PET Polyethylene terephthalate
- the thickness of the base material layer 10 may be 0.125 mm to 0.5 mm. Depth feeling of the replica film 1 may not be implemented when the thickness is less than 0.125 mm, and formability may be deteriorated when the thickness exceeds 0.5 mm.
- the resin layer 20 may have the second surface 22 with a same surface pattern as the surface pattern of the real material.
- the method of forming the second surface 22 is described below.
- the surface pattern of the second surface 22 shown in FIG. 3 has an uneven structure, the surface pattern is not limited thereto and should be construed as being the same as the surface patterns of real materials selected in accordance with the purpose.
- the surface pattern of the second surface 22 has grooves 22 a and ridges 22 b.
- the grooves 22 a may be formed 100 ⁇ m to 250 ⁇ m deep from the second surface 22 .
- the reference for measuring the depth of the grooves 22 a may be the flat surfaces of the ridges 22 b of the second surface 22 .
- the thickness is less than 100 ⁇ m, a three-dimensional feeling may not be achieved.
- the thickness exceeds 250 ⁇ m, formability may be deteriorated and inconspicuousness from the print layer 40 may be deteriorated.
- the grooves 22 a and ridges 22 b may be shown alternating across each other.
- the gaps may be regular or irregular.
- the grooves 22 a may be recessed vertically or close to verticality, or may be recessed at a predetermined angle from the ridges 22 b, as shown in FIG. 3 .
- the resin layer 20 may be formed through UV curing, which will be described below. Accordingly, the resin layer 20 may include UV-curable resin. In detail, the resin layer 20 may include UV-curable resin selected from the group of urethane acrylate, acrylic acrylate, polyester acrylate, and combinations thereof.
- the contents of the components contained in the resin layer 20 can be appropriately adjusted and mixed in accordance with the purpose, but the urethane acrylate may be included by 40 wt % to 70 wt % to secure an elongation when the replica film is applied to automotive parts.
- each UV-curable resin included in the resin layer 20 may be adjusted or add a functional additive in consideration of the physicochemical properties, formability, pattern maintenance, etc., of the resin layer 20 .
- the deposition layer 30 is disposed on the resin layer and may be formed along the surface pattern of the second surface 22 of the resin layer 20 without damaging the surface pattern.
- the meaning of not damaging the surface pattern of the second surface 22 is that the deposition layer 30 is deposited in a very thin layer along the surface pattern and the surface of the deposition layer 30 is also formed substantially in the same shape as the surface pattern of the resin layer 20 .
- the deposition layer 30 may include at least one metal selected from the group of aluminum (Al), chromium (Cr), nickel-chromium (Ni—Cr), tin (Sn), and combinations thereof; and at least one ceramic selected from the group of titanium dioxide (TiO 2 ), silicon dioxide (SiO 2 ), and a combination thereof.
- the color of the replica film 1 depends on the deposition source that is used when the deposition layer 30 is formed.
- the color that is revealed by the deposition source interacts with the color of the print layer 40 , thereby implementing new color and saturation not implemented from real carbon.
- the transmittance of the deposition layer 30 may be 20% to 80%. When the transmittance is less than 20%, the deposition layer 30 is formed too thick, in which case the color of the print layer 40 may not be revealed to the outside. On the other hand, when the transmittance exceeds 80%, the deposition layer 30 is too transparent, in which case luster may not be implemented.
- the print layer 40 is a component that is disposed on the deposition layer 30 , implementing the general color of the entire replica film 1 and protecting both the resin layer 20 and the deposition layer 30 .
- the print layer 40 is not limited thereto and may be formed by printing ink, which is selected from the group of urethane-based ink, polyvinyl chloride-based ink, and a combination thereof, on the deposition layer with a predetermined degree.
- the ink may be a mono-fluid type or bi-fluid type ink.
- isocyanate-based curing agents such as HDI, MDI, TDI, and IPDI may be used as a curing agent and the content may be 10 wt % to 20 wt % of the entire weight of the ink composition.
- the content of the curing agent is less than 10 wt %, the properties of the print layer 20 are deteriorated and thus ink wash-out may occur, whereas when the content exceeds 20 wt %, printability may be deteriorated.
- the degree is not specifically limited, but may be 4 degrees or more in printing. When the print layer 40 is printed less than 4 degrees, ink wash-out may occur when the replica film 1 is applied to automotive parts.
- FIG. 4 is a flowchart showing one form of a method of producing a replica film of a real material according to the present disclosure.
- the method may include: manufacturing a stamper including a surface pattern having a shape corresponding to the surface pattern of a real material (S 1 ); forming a resin layer on a base material layer (S 2 ); forming a surface pattern, that is the same as the surface pattern of the real material, on a second surface of the resin layer using the stamper (S 3 ); forming a deposition layer on the resin layer (S 4 ); and forming a print layer on the deposition layer (S 5 ).
- FIGS. 5A to 5C are reference views illustrating the manufacturing of a stamper (S 1 ).
- FIG. 5A is a cross-sectional view showing a real material A
- FIG. 5B is a reference view showing a method of manufacturing a stamper B using the real material A
- FIG. 5C is a reference view showing a state when the real material A and the stamper B are separated.
- a real material A having a specific surface pattern is prepared.
- a stamper B can be formed through electro-forming using the real material A, as shown in FIG. 5B .
- a stamper B having a predetermined thickness can be obtained by electrolyzing metal C such that metal ions (M + ) are attached (plated) to the surface pattern of the real material A.
- the thickness of the stamper B is not specifically limited and can be appropriately adjusted in accordance with the purpose.
- a resin layer can be formed by applying UV-curable resin on the base material layer described above with a predetermined thickness (S 2 ). The resin layer in this state does not have a surface pattern.
- FIG. 6 is a reference view illustrating the forming of a surface pattern, which is the same as the surface pattern of the real material, on the resin layer using the stamper B (S 3 ).
- the stamper B obtained as described above is wound around a roller D and the resin layer 20 is supplied to the roller D that is rotating such that the stamper B wound around the roller D presses the resin layer 20 . Accordingly, the surface pattern of the stamper B is transcribed to the surface of the resin layer 20 . As a result, a surface pattern that is the same as the surface pattern of the real material is formed on the surface of the resin layer 20 .
- an ultraviolet ray is radiated to the resin layer to cure the resin layer so that the surface layer formed on the resin layer is not destroyed.
- the radiation manner, position and intensity of the ultraviolet ray are not specifically limited and can be appropriately adjusted.
- a deposition layer can be formed on the resin layer (S 4 ).
- the method of forming the deposition layer is not specifically limited, but it may be possible to form the deposition layer by depositing a deposition source described above in a vacuum chamber or by using roll-to-roll deposition, atmospheric pressure deposition, etc.
- a print layer can be formed on the deposition layer (S 5 ).
- the method of forming the print layer is not specifically limited but screen printing may be used.
- FIG. 7 shows a result of observing the surface of a replica film manufactured by the method described above using an optical microscope. Comparing a surface pattern of real carbon ( FIG. 1B ) with FIG. 7 , it can be seen that the replica film according to the present disclosure shows a pattern having substantially the same shape as the real carbon shown outside. Further, comparing a replica film of the related art ( FIG. 2B ) with FIG. 7 , it can be seen that the replica film of the present disclosure shows luster and depth feeling that are more similar to those of the real carbon compared to the replica film of the related art.
- An automotive part according to the present disclosure may include a base layer and the replica film disposed on the base layer.
- the method of manufacturing the automotive part is not specifically limited, but insert injection may be used.
- FIGS. 8A to 8C are reference views schematically showing a method of manufacturing an automotive part according to the present disclosure.
- the replica film 1 described above is put into a mold E, as shown in FIG. 8A , and a base resin is injected to the rear surface of the replica film 1 , as shown in FIG. 8B , thereby forming a base layer 2 .
- the replica film 1 and the base layer 2 are taken out of the mold E, as shown in FIG. 8C , thereby being able to obtain an automotive part.
- the replica film 1 Before putting the replica film 1 into the mold E, it is possible to pre-heat the replica film 1 , perform thermal press forming or vacuum forming to make the shape of the part, and then perform trimming.
- the base resin is not specifically limited, but may include at least one selected from the group of Acrylonitrile butadiene styrene (ABS), polycarbonate, and a combination thereof.
- ABS Acrylonitrile butadiene styrene
- polycarbonate polycarbonate
- the base layer has a curvature of 0.5 or more at at least any one portion, specifically, at the end.
- the replica film according to the present disclosure can even be applied to automotive parts having complicated non-flat shapes.
- FIG. 9 is a view showing a replica film of a material according to the present disclosure applied to an automotive part.
- the automotive part may be a door garnish, as shown in FIG. 9 , a center garnish, a roof, a hood, etc.
Abstract
Description
- This application claims priority to and the benefit of Korean Patent Application No. 10-2019-0085052, filed Jul. 15, 2019, which is incorporated herein by reference in its entirety.
- The present disclosure relates to a replica film of a real material, a method for producing the same, and an automotive part comprising the same.
- The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
- Interior/exterior materials using highly expensive real carbon woven materials have been applied mainly to high-performance vehicles to improve the quality of automotive interior/exterior materials. However, the costs of real carbon materials are high and, when using these materials to manufacture parts, the processes are complicated.
- Accordingly, there have been several attempts to copy real carbon such as forming a film having a shape similar to the surface pattern of real carbon through injection molding that uses a mold and coating the surface to be applied to parts.
- These technologies have an advantage in terms of cost saving, but the quality of the external appearance is considerably low. A particular limitation includes the fact that copying technologies of the related art cannot implement a line width of real carbon and cannot implement the particular three-dimensional feeling and lustrous feeling.
- The above information disclosed in this Background section is only for enhancement of understanding of the background of the present disclosure, and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.
- The present disclosure provides a replica film displaying the particular characteristics of a real material by precisely copying the real material, and a method of producing the replica film.
- The present disclosure also provides a replica film that can even be applied to automotive parts having complicated, non-flat shapes, and a method of producing the replica film.
- The present disclosure improves the commercial value of a replica film by applying a color different from the color of a real material.
- The present disclosure is not limited to what is described above. What the present disclosure provides will be clearer from the following description and will be accomplished through the means and combinations thereof described in the claims.
- A replica film of a real material according to one form of the present disclosure includes a base material layer and a resin layer disposed on the base material layer. The resin layer has a first surface facing the base material layer and a second surface, opposite the first surface, having a same surface pattern as a surface pattern of the real material.
- The base material layer may include at least one selected from the group of Polycarbonate (PC), Polymethylmethacrylate (PMMA), Polyethylene terephthalate (PET), and combinations thereof.
- The thickness of the base material layer may be 0.125 mm to 0.5 mm.
- The real material may include at least one selected from the group of real carbon, real wood, natural cork, real stone, thin metal, Hanji, and combinations thereof.
- The surface pattern of the second surface may have grooves and ridges, in which the grooves may be formed 100 μm to 250 μm deep from the second surface.
- The resin layer may include at least one selected from the group of urethane acrylate, acrylic acrylate, polyester acrylate, and combinations thereof.
- The replica film may further include a deposition layer disposed on the resin layer and including at least any one of metal selected from the group of aluminum (Al), chromium (Cr), nickel-chromium (Ni—Cr), tin (Sn), and combinations thereof; and at least one ceramic selected from the group of titanium dioxide (TiO2), silicon dioxide (SiO2), and a combination thereof.
- The deposition layer may be formed along the surface pattern of the second layer of the resin layer.
- The transmittance of the base material layer may be 20% to 80%.
- The replica film may further include a print layer disposed on the deposition layer and including at least one selected from the group of urethane-based ink, polyvinyl chloride-based ink, and a combination thereof.
- A method of producing a replica film of a real material according to one form of the present disclosure includes: manufacturing a stamper including a surface pattern having a shape corresponding to a surface pattern of the real material; forming a resin layer having a first surface facing the base material layer and a second surface opposite the first surface on the base material layer; and forming a surface pattern, that is the same as the surface pattern of the real material, on the second surface using the stamper.
- A stamper having a surface pattern with a shape corresponding to the surface pattern of the real material may be formed by plating metal on a surface of the real material and then removing the real material.
- A surface pattern that is the same as the surface pattern of the real material may be formed on the second surface of the resin layer by winding the stamper around a roller and supplying the resin layer to the roller.
- The method may further include forming a deposition layer disposed on the resin layer by depositing at least any one of metal selected from the group of aluminum (Al), chromium (Cr), nickel-chromium (Ni—Cr), tin (Sn), and combinations thereof; and at least one ceramic selected from the group of titanium dioxide (TiO2), silicon dioxide (SiO2), and a combination thereof along the surface pattern of the second surface of the resin layer.
- The replica film may further include forming a print layer by printing at least one selected from the group of urethane-based ink, polyvinyl chloride-based ink, and a combination thereof on the deposition layer.
- An automotive part according to one form of the present disclosure may include a base layer and the replica film disposed on the base layer.
- A curvature of at least a portion of the base layer may be 0.5 or more.
- According to the present disclosure, it is possible to achieve a replica film having the particular characteristics of a real material by precisely copying the real material.
- According to the present disclosure, it is possible to achieve a replica film that has excellent formability and can even be applied to automotive parts having complicated non-flat shapes.
- According to the present disclosure, it is possible to achieve a replica film that has an external appearance at the same level of a real material and has excellent price competitiveness because it can be manufactured at 1/10 the cost of the real material.
- According to the present disclosure, it is possible to achieve a replica film that has a high commercial value because it implements a color different from that of a real material.
- Further areas of applicability will become apparent from the description provided herein. It should be understood that the description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the present disclosure.
- In order that the disclosure may be well understood, there will now be described various forms thereof, given by way of example, reference being made to the accompanying drawings, in which:
-
FIG. 1A is a cross-sectional view schematically showing the structure of real carbon film; -
FIG. 1B is a view showing a result of observing the surface pattern of the real carbon film ofFIG. 1A using an optical microscope; -
FIG. 2A is a cross-sectional view schematically showing a replica film of real carbon of the related art; -
FIG. 2B is a view showing a result of observing the surface pattern of the real carbon film ofFIG. 2A using an optical microscope; -
FIG. 3 is a cross-sectional view schematically showing a replica film of one form of a real material according to the present disclosure; -
FIG. 4 is a flowchart showing one form of a method of producing a replica film of a real material according to the present disclosure; -
FIGS. 5A to 5C are reference views illustrating a step of manufacturing a stamp used in one form of a method of producing a replica film of a real material according to the present disclosure, in whichFIG. 5A is a cross-sectional view showing a real material,FIG. 5B is a reference view showing a method of manufacturing a stamper using the real material, andFIG. 5C is a reference view showing a state when the real material and the stamper are separated; -
FIG. 6 is a reference view illustrating a step in which a surface pattern, which is the same as the surface pattern of a real material, is applied on the surface of the resin layer using a stamper used to produce a replica film of one form of a real material according to the present disclosure; -
FIG. 7 is a view showing a result of observing, using an optical microscope, the surface pattern of a replica film of a real material according to the present disclosure; and -
FIGS. 8A to 8C are reference views schematically showing a method of manufacturing an automotive part according to the present disclosure in whichFIG. 8A shows a step of putting a replica film into a mold,FIG. 8B shows a step of injecting a base resin to the rear surface of the replica film, andFIG. 8C shows a step of taking the automotive part out of the mold. -
FIG. 9 is a view showing a replica film of a real material according to the present disclosure applied to an automotive part. - The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way.
- The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.
- The above-mentioned objects of the present disclosure, other objects, features, and advantages would be easily understood through the following exemplary forms related to the accompanying drawings. The present disclosure is not limited to the forms described herein and may be implemented in other ways. The variations disclosed herein are provided so that the disclosed contents can be made thorough and complete and the spirit of the present disclosure can be sufficiently transmitted to those skilled in the art.
- Similar reference numerals are assigned to similar components in the following description of drawings. In the accompanying drawings, the dimensions and structures are larger than the actual dimensions to make the present disclosure clear. Terms used in the specification—'first', ‘second’, etc.—may be used to describe various components, but the components are not to be construed as being limited to the terms. The terms are used only to distinguish one component from another component. For example, the ‘first’ component may be named the ‘second’ component, and vice versa, without departing from the scope of the present disclosure. Singular forms are intended to include plural forms unless the context clearly indicates otherwise.
- It will be further understood that the terms “comprises” or “has” used in this specification, specify the presence of stated features, steps, operations, components, parts, or a combination thereof, but do not preclude the presence or addition of one or more other features, numerals, steps, operations, components, parts, or a combination thereof. When an element such as a layer, a film, a region, and a plate is “on” another component, it can either be directly on the other element or have other intervening elements therebetween. When an element such as a layer, a film, a region, and a plate is “beneath” another component, it can either be directly beneath the other element or have other intervening elements therebetween.
- Unless stated otherwise, all the numerals, values, and/or expressions showing components, reaction conditions, and the amounts of polymer compositions and mixtures used herein are approximate quantities reflecting various uncertainties in measurement, which are generated when these numbers basically obtain these values from others, and therefore should be construed as being modified by a term “approximately”. Further, when a numeral range is disclosed herein, the range is continuous and includes all values from a minimum value to a maximum value including the maximum value in the range unless stated otherwise. Further, when this range indicates an integer number, all integer values from a minimum value to a maximum value including the maximum value are included unless stated otherwise.
-
FIG. 1A is a cross-sectional view schematically showing the structure of real carbon film. Referring toFIG. 1A , the real carbon film includes a kind ofsupport layer 50, awoven carbon fabric 60 disposed on thesupport layer 50, and acoating layer 70 disposed on thecarbon fabric 60. Accordingly, the particular pattern of thecarbon fabric 60 is exposed to the outside, as shown inFIG. 1 b, thereby creating a certain aesthetic look. -
FIG. 2A is a cross-sectional view schematically showing a replica film of real carbon of the related art. Referring toFIG. 2 , the replica film of the related art includes a kind ofsupport layer 50′, ablack print layer 80 printed on the support layer, and afilm layer 90 having a predetermined shape of surface pattern on the print layer. The color of theprint layer 80 is exposed to the outside, depending on the surface pattern of thefilm layer 90. Accordingly, as shown inFIG. 2B , a pattern similar to the real carbon is exposed to the outside. The line width of the pattern of the real carbon film is about 5 μm, whereas the line width of the replica film of the related art is about 50 μm. That is, the line width of the replica film of the related art is too large thereby drastically deteriorating the quality of the external appearance compared to the real carbon film. This is because the pattern is implemented through thefilm layer 90 in the replica film in which thefilm layer 90 is manufactured through a mold, which creates physical limitation in reducing the embossed gaps. - Hereafter, a replica film of a real material according to the present disclosure is described in detail.
-
FIG. 3 is a cross-sectional view schematically showing areplica film 1 of a real material according to the present disclosure. Referring toFIG. 3 , thereplica film 1 may include: abase material layer 10; aresin layer 20, disposed on thebase material layer 10 and having afirst surface 21 facing thebase material layer 10 and asecond surface 22 opposite thefirst surface 21; adeposition layer 30 on the resin layer; and aprint layer 40 disposed on the deposition layer. - The real material can be used without specific limitation as long as it has a particular surface texture. In detail, the real material may be selected from the group of real carbon, real wood, natural cork, real stone, thin metal, Hanji, and combinations thereof. Preferably, the real material may be real carbon. According to the present disclosure, it is possible to achieve a replica film having a surface pattern that is the same as the surface pattern of the real material and is exposed to the outside.
- The
base material layer 10 may include a transparent material, including but not limited to at least one material selected from the group of Polycarbonate (PC), Polymethylmethacrylate (PMMA), Polyethylene terephthalate (PET), and combinations thereof. - The thickness of the
base material layer 10 may be 0.125 mm to 0.5 mm. Depth feeling of thereplica film 1 may not be implemented when the thickness is less than 0.125 mm, and formability may be deteriorated when the thickness exceeds 0.5 mm. - The
resin layer 20 may have thesecond surface 22 with a same surface pattern as the surface pattern of the real material. The method of forming thesecond surface 22 is described below. Although the surface pattern of thesecond surface 22 shown inFIG. 3 has an uneven structure, the surface pattern is not limited thereto and should be construed as being the same as the surface patterns of real materials selected in accordance with the purpose. - The surface pattern of the
second surface 22 hasgrooves 22 a andridges 22 b. Thegrooves 22 a may be formed 100 μm to 250 μm deep from thesecond surface 22. The reference for measuring the depth of thegrooves 22 a may be the flat surfaces of theridges 22 b of thesecond surface 22. When the thickness is less than 100 μm, a three-dimensional feeling may not be achieved. On the other hand, when the thickness exceeds 250 μm, formability may be deteriorated and inconspicuousness from theprint layer 40 may be deteriorated. - In the surface pattern of the
second surface 22, thegrooves 22 a andridges 22 b may be shown alternating across each other. The gaps may be regular or irregular. Thegrooves 22 a may be recessed vertically or close to verticality, or may be recessed at a predetermined angle from theridges 22 b, as shown inFIG. 3 . - The
resin layer 20 may be formed through UV curing, which will be described below. Accordingly, theresin layer 20 may include UV-curable resin. In detail, theresin layer 20 may include UV-curable resin selected from the group of urethane acrylate, acrylic acrylate, polyester acrylate, and combinations thereof. - The contents of the components contained in the
resin layer 20 can be appropriately adjusted and mixed in accordance with the purpose, but the urethane acrylate may be included by 40 wt % to 70 wt % to secure an elongation when the replica film is applied to automotive parts. - It may be possible to adjust the molecular weight of each UV-curable resin included in the
resin layer 20 or add a functional additive in consideration of the physicochemical properties, formability, pattern maintenance, etc., of theresin layer 20. - The
deposition layer 30 is disposed on the resin layer and may be formed along the surface pattern of thesecond surface 22 of theresin layer 20 without damaging the surface pattern. The meaning of not damaging the surface pattern of thesecond surface 22 is that thedeposition layer 30 is deposited in a very thin layer along the surface pattern and the surface of thedeposition layer 30 is also formed substantially in the same shape as the surface pattern of theresin layer 20. - Luster of the
replica film 1 is implemented in accordance with the deposition source contained in thedeposition layer 30. In detail, thedeposition layer 30 may include at least one metal selected from the group of aluminum (Al), chromium (Cr), nickel-chromium (Ni—Cr), tin (Sn), and combinations thereof; and at least one ceramic selected from the group of titanium dioxide (TiO2), silicon dioxide (SiO2), and a combination thereof. - Further, the color of the
replica film 1 depends on the deposition source that is used when thedeposition layer 30 is formed. The color that is revealed by the deposition source interacts with the color of theprint layer 40, thereby implementing new color and saturation not implemented from real carbon. - The transmittance of the
deposition layer 30 may be 20% to 80%. When the transmittance is less than 20%, thedeposition layer 30 is formed too thick, in which case the color of theprint layer 40 may not be revealed to the outside. On the other hand, when the transmittance exceeds 80%, thedeposition layer 30 is too transparent, in which case luster may not be implemented. - The
print layer 40 is a component that is disposed on thedeposition layer 30, implementing the general color of theentire replica film 1 and protecting both theresin layer 20 and thedeposition layer 30. - The
print layer 40 is not limited thereto and may be formed by printing ink, which is selected from the group of urethane-based ink, polyvinyl chloride-based ink, and a combination thereof, on the deposition layer with a predetermined degree. - The ink may be a mono-fluid type or bi-fluid type ink. When it is a bi-fluid type ink, isocyanate-based curing agents such as HDI, MDI, TDI, and IPDI may be used as a curing agent and the content may be 10 wt % to 20 wt % of the entire weight of the ink composition. When the content of the curing agent is less than 10 wt %, the properties of the
print layer 20 are deteriorated and thus ink wash-out may occur, whereas when the content exceeds 20 wt %, printability may be deteriorated. - When the
print layer 40 is formed, the degree is not specifically limited, but may be 4 degrees or more in printing. When theprint layer 40 is printed less than 4 degrees, ink wash-out may occur when thereplica film 1 is applied to automotive parts. - Hereafter, a method for producing a replica film of a real material according to the present disclosure is described in detail.
-
FIG. 4 is a flowchart showing one form of a method of producing a replica film of a real material according to the present disclosure. Referring toFIG. 4 , the method may include: manufacturing a stamper including a surface pattern having a shape corresponding to the surface pattern of a real material (S1); forming a resin layer on a base material layer (S2); forming a surface pattern, that is the same as the surface pattern of the real material, on a second surface of the resin layer using the stamper (S3); forming a deposition layer on the resin layer (S4); and forming a print layer on the deposition layer (S5). -
FIGS. 5A to 5C are reference views illustrating the manufacturing of a stamper (S1). Simply,FIG. 5A is a cross-sectional view showing a real material A,FIG. 5B is a reference view showing a method of manufacturing a stamper B using the real material A, andFIG. 5C is a reference view showing a state when the real material A and the stamper B are separated. - First, as shown in
FIG. 5A , a real material A having a specific surface pattern is prepared. Thereafter, a stamper B can be formed through electro-forming using the real material A, as shown inFIG. 5B . In detail, a stamper B having a predetermined thickness can be obtained by electrolyzing metal C such that metal ions (M+) are attached (plated) to the surface pattern of the real material A. The thickness of the stamper B is not specifically limited and can be appropriately adjusted in accordance with the purpose. When the real material A and the stamper B are separated, as shown inFIG. 5C , a stamper B having a surface pattern having a shape corresponding to the surface pattern of the real material A can be obtained. - A resin layer can be formed by applying UV-curable resin on the base material layer described above with a predetermined thickness (S2). The resin layer in this state does not have a surface pattern.
-
FIG. 6 is a reference view illustrating the forming of a surface pattern, which is the same as the surface pattern of the real material, on the resin layer using the stamper B (S3). - Referring to
FIG. 6 , the stamper B obtained as described above is wound around a roller D and theresin layer 20 is supplied to the roller D that is rotating such that the stamper B wound around the roller D presses theresin layer 20. Accordingly, the surface pattern of the stamper B is transcribed to the surface of theresin layer 20. As a result, a surface pattern that is the same as the surface pattern of the real material is formed on the surface of theresin layer 20. - At the same time or a different time, an ultraviolet ray is radiated to the resin layer to cure the resin layer so that the surface layer formed on the resin layer is not destroyed. The radiation manner, position and intensity of the ultraviolet ray are not specifically limited and can be appropriately adjusted.
- After a surface pattern is formed on the resin layer as described above, a deposition layer can be formed on the resin layer (S4). The method of forming the deposition layer is not specifically limited, but it may be possible to form the deposition layer by depositing a deposition source described above in a vacuum chamber or by using roll-to-roll deposition, atmospheric pressure deposition, etc.
- Thereafter, a print layer can be formed on the deposition layer (S5). The method of forming the print layer is not specifically limited but screen printing may be used.
-
FIG. 7 shows a result of observing the surface of a replica film manufactured by the method described above using an optical microscope. Comparing a surface pattern of real carbon (FIG. 1B ) withFIG. 7 , it can be seen that the replica film according to the present disclosure shows a pattern having substantially the same shape as the real carbon shown outside. Further, comparing a replica film of the related art (FIG. 2B ) withFIG. 7 , it can be seen that the replica film of the present disclosure shows luster and depth feeling that are more similar to those of the real carbon compared to the replica film of the related art. - An automotive part according to the present disclosure may include a base layer and the replica film disposed on the base layer.
- The method of manufacturing the automotive part is not specifically limited, but insert injection may be used.
-
FIGS. 8A to 8C are reference views schematically showing a method of manufacturing an automotive part according to the present disclosure. In detail, thereplica film 1 described above is put into a mold E, as shown inFIG. 8A , and a base resin is injected to the rear surface of thereplica film 1, as shown inFIG. 8B , thereby forming abase layer 2. Thereafter, thereplica film 1 and thebase layer 2 are taken out of the mold E, as shown inFIG. 8C , thereby being able to obtain an automotive part. - Before putting the
replica film 1 into the mold E, it is possible to pre-heat thereplica film 1, perform thermal press forming or vacuum forming to make the shape of the part, and then perform trimming. - The base resin is not specifically limited, but may include at least one selected from the group of Acrylonitrile butadiene styrene (ABS), polycarbonate, and a combination thereof.
- Further, it can be seen that the base layer has a curvature of 0.5 or more at at least any one portion, specifically, at the end. The replica film according to the present disclosure can even be applied to automotive parts having complicated non-flat shapes.
-
FIG. 9 is a view showing a replica film of a material according to the present disclosure applied to an automotive part. The automotive part may be a door garnish, as shown inFIG. 9 , a center garnish, a roof, a hood, etc. - While this present disclosure has been described in connection with what is presently considered to be practical exemplary forms, it is to be understood that the present disclosure is not limited to the disclosed forms, but, on the contrary, it is intended to cover various modification and equivalent arrangements included within the spirt and cope of the present disclosure.
Claims (20)
Applications Claiming Priority (2)
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KR10-2019-0085052 | 2019-07-15 | ||
KR1020190085052A KR20210008654A (en) | 2019-07-15 | 2019-07-15 | A replica film of real material, a method for producing the same, and an automotive part comprising the same |
Publications (1)
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US20210016489A1 true US20210016489A1 (en) | 2021-01-21 |
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Family Applications (1)
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US16/677,297 Abandoned US20210016489A1 (en) | 2019-07-15 | 2019-11-07 | Replica film of real material, method for producing same, and automotive part comprising same |
Country Status (4)
Country | Link |
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US (1) | US20210016489A1 (en) |
KR (1) | KR20210008654A (en) |
CN (1) | CN112223863A (en) |
DE (1) | DE102019217270A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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USD998977S1 (en) * | 2022-06-08 | 2023-09-19 | Montblanc-Simplo Gmbh | Sheet material |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1933968A (en) * | 2005-04-14 | 2007-03-21 | 村田望 | Resin sheet having fine decorative patterns and method of producing the same |
WO2009001976A1 (en) * | 2007-06-28 | 2008-12-31 | Ef Tech Co., Ltd. | Method of duplicating nano pattern texture on object's surface by nano imprinting and electroforming |
KR101537619B1 (en) * | 2009-09-09 | 2015-07-17 | 엘지전자 주식회사 | A production method of a stamper for an injection molding |
KR20110074390A (en) * | 2009-12-24 | 2011-06-30 | 엘지이노텍 주식회사 | Decorating material with cubic effect |
EP2775327B1 (en) * | 2013-03-08 | 2020-02-26 | Samsung Electronics Co., Ltd. | Film for improving color sense and method for manufacturing the same, and display apparatus including color sense improving film |
KR101517795B1 (en) * | 2013-10-16 | 2015-05-06 | 현대자동차주식회사 | UV hardening composition having improved light resistance and three dimensional film and manufacturing the same |
KR20150102553A (en) * | 2014-02-28 | 2015-09-07 | (주)엘지하우시스 | Interior film having excellent metallic appearance and method of manufacturing the same |
EP3410215B1 (en) * | 2016-01-27 | 2020-06-17 | LG Chem, Ltd. | Film mask, method for manufacturing same, and method for forming pattern using film mask and pattern formed thereby |
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2019
- 2019-07-15 KR KR1020190085052A patent/KR20210008654A/en active Search and Examination
- 2019-11-07 US US16/677,297 patent/US20210016489A1/en not_active Abandoned
- 2019-11-08 DE DE102019217270.9A patent/DE102019217270A1/en active Pending
- 2019-11-18 CN CN201911130008.9A patent/CN112223863A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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USD998977S1 (en) * | 2022-06-08 | 2023-09-19 | Montblanc-Simplo Gmbh | Sheet material |
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DE102019217270A1 (en) | 2021-01-21 |
CN112223863A (en) | 2021-01-15 |
KR20210008654A (en) | 2021-01-25 |
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